Some people experience the uncomfortable symptoms of head lice before noticing them in the hair, while others are asymptomatic. Head lice bite you in order to feed off your blood. The parasites’ saliva is irritating to many people, causing itching of the scalp. You might develop sores or red, raised bumps on your scalp from scratching your head without realizing why you are itchy at first.
Other symptoms that alert you to a case of head lice include a ticklish feeling on your head, especially at night. The head louse is a nocturnal creature and is more active in the dark than during the light of day.
Detecting head lice: Visual inspection
A visual inspection of your hair and scalp is usually effective in detecting head lice, though the creatures are so small that they can be difficult to spot with the naked eye.
Parting your hair in small sections and literally going through each section with a fine-tooth comb is a painstaking but necessary step to find and remove head lice. A bright light and a magnifying glass are useful tools to aid in the detection and diagnostic process.